Fix exciting circle animations.
Switch to topjson - reduced json data > 4x with topjson -s 0.00003.
Update sample tweets.
Refactor mapview class.
Rotate globe when it's not being interacted with.
Tilt globe down, brighten circles.
Restyle, show tweets scrolling on top of globe.
Text and colour style changes.
Colour tweaks.
Alternate tweet colours, add timestamps.
Make globe position fixed, change resize behaviour, set label size small.